199.61% is the change from 259 to 776
Calculation steps:
[( 776 - 259 ) ÷ 259] x 100 = 199.61%
Formula
Percentage change = [(776 - 259) / 259] x 100
Subtract the new number by the original number
776 - 259 = 517
517 ÷ 259 = 1.9961389961389961
1.9961389961389961 x 100 = 199.61%